Amother has type a blood and a father has type b blood. if their baby has type o blood, what is the genotype of the parents?

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Explanation:A and B type blood do not mix to make O type blood

Each biological parent donates one of their two ABO alleles to their child. A mother who is blood type O can only pass an O allele to her son or daughter. A father who is blood type AB could pass either an A or a B allele to his son or daughter.

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the answer is: metamorphic rocks often show the presence of fossils, also a

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